Industrial Engineering and Production Management
Micro motion study is

Analysis of a man-work method by using a motion picture camera with a timing device in the field of view
Motion study of a sequence of operations conducted systematically
Motion study observed on enhanced time intervals
Study of man and machine conducted simultaneously

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Industrial Engineering and Production Management
The assumption in PERT is

A project will always be behind schedule, if left uncorrected
Cost of project will always be more than the estimated cost, if no timely corrections are taken
Activities are fixed and can't be changed
A project can be subdivided into a set of predictable, independent activities

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